Buffer number

Distance from Bo Sea (km)

Amount

Soil salinity (%)

1

0 - 15

17

2.31

2

15 - 30

58

0.73

3

30 - 45

52

0.36

4

45 - 60

13

0.35

5

60 - 75

32

0.43

6

75 - 90

15

0.30